| Pillars | 2011-14 | 2015-18 | ||
| Frequency | Percentage | Frequency | Percentage | |
| Pillar I | 42 | 53 | 92 | 63 |
| Pillar II | 73 | 92 | 129 | 88 |
| Pillar III | 34 | 43 | 51 | 35 |
| Total | 79 | 100 | 147 | 100 |